htdocs/core/lib/pdf.lib.php ➔ pdf_getInstance()

Complexity

Conditions	11
Paths	396

Size

Total Lines	90
Code Lines	47

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
function pdf_getInstance($format='',$metric='mm',$pagetype='P')
{
	global $conf;

	// Define constant for TCPDF
	if (! defined('K_TCPDF_EXTERNAL_CONFIG'))
	{
		define('K_TCPDF_EXTERNAL_CONFIG',1);	// this avoid using tcpdf_config file
		define('K_PATH_CACHE', DOL_DATA_ROOT.'/admin/temp/');
		define('K_PATH_URL_CACHE', DOL_DATA_ROOT.'/admin/temp/');
		dol_mkdir(K_PATH_CACHE);
		define('K_BLANK_IMAGE', '_blank.png');
		define('PDF_PAGE_FORMAT', 'A4');
		define('PDF_PAGE_ORIENTATION', 'P');
		define('PDF_CREATOR', 'TCPDF');
		define('PDF_AUTHOR', 'TCPDF');
		define('PDF_HEADER_TITLE', 'TCPDF Example');
		define('PDF_HEADER_STRING', "by Dolibarr ERP CRM");
		define('PDF_UNIT', 'mm');
		define('PDF_MARGIN_HEADER', 5);
		define('PDF_MARGIN_FOOTER', 10);
		define('PDF_MARGIN_TOP', 27);
		define('PDF_MARGIN_BOTTOM', 25);
		define('PDF_MARGIN_LEFT', 15);
		define('PDF_MARGIN_RIGHT', 15);
		define('PDF_FONT_NAME_MAIN', 'helvetica');
		define('PDF_FONT_SIZE_MAIN', 10);
		define('PDF_FONT_NAME_DATA', 'helvetica');
		define('PDF_FONT_SIZE_DATA', 8);
		define('PDF_FONT_MONOSPACED', 'courier');
		define('PDF_IMAGE_SCALE_RATIO', 1.25);
		define('HEAD_MAGNIFICATION', 1.1);
		define('K_CELL_HEIGHT_RATIO', 1.25);
		define('K_TITLE_MAGNIFICATION', 1.3);
		define('K_SMALL_RATIO', 2/3);
		define('K_THAI_TOPCHARS', true);
		define('K_TCPDF_CALLS_IN_HTML', true);
		define('K_TCPDF_THROW_EXCEPTION_ERROR', false);
	}

	// Load TCPDF
	require_once TCPDF_PATH.'tcpdf.php';

	// We need to instantiate tcpdi object (instead of tcpdf) to use merging features. But we can disable it (this will break all merge features).
	if (empty($conf->global->MAIN_DISABLE_TCPDI)) require_once TCPDI_PATH.'tcpdi.php';
	else if (empty($conf->global->MAIN_DISABLE_FPDI)) require_once FPDI_PATH.'fpdi.php';

	//$arrayformat=pdf_getFormat();
	//$format=array($arrayformat['width'],$arrayformat['height']);
	//$metric=$arrayformat['unit'];

	if (class_exists('TCPDI')) $pdf = new TCPDI($pagetype,$metric,$format);
	else $pdf = new TCPDF($pagetype,$metric,$format);

	// Protection and encryption of pdf
	if (! empty($conf->global->PDF_SECURITY_ENCRYPTION))
	{
		/* Permission supported by TCPDF
		- print : Print the document;
		- modify : Modify the contents of the document by operations other than those controlled by 'fill-forms', 'extract' and 'assemble';
		- copy : Copy or otherwise extract text and graphics from the document;
		- annot-forms : Add or modify text annotations, fill in interactive form fields, and, if 'modify' is also set, create or modify interactive form fields (including signature fields);
		- fill-forms : Fill in existing interactive form fields (including signature fields), even if 'annot-forms' is not specified;
		- extract : Extract text and graphics (in support of accessibility to users with disabilities or for other purposes);
		- assemble : Assemble the document (insert, rotate, or delete pages and create bookmarks or thumbnail images), even if 'modify' is not set;
		- print-high : Print the document to a representation from which a faithful digital copy of the PDF content could be generated. When this is not set, printing is limited to a low-level representation of the appearance, possibly of degraded quality.
		- owner : (inverted logic - only for public-key) when set permits change of encryption and enables all other permissions.
		*/

		// For TCPDF, we specify permission we want to block
		$pdfrights = (! empty($conf->global->PDF_SECURITY_ENCRYPTION_RIGHTS)?json_decode($conf->global->PDF_SECURITY_ENCRYPTION_RIGHTS, true):array('modify','copy')); // Json format in llx_const

		// Password for the end user
		$pdfuserpass = (! empty($conf->global->PDF_SECURITY_ENCRYPTION_USERPASS)?$conf->global->PDF_SECURITY_ENCRYPTION_USERPASS:'');

		// Password of the owner, created randomly if not defined
		$pdfownerpass = (! empty($conf->global->PDF_SECURITY_ENCRYPTION_OWNERPASS)?$conf->global->PDF_SECURITY_ENCRYPTION_OWNERPASS:null);

		// For encryption strength: 0 = RC4 40 bit; 1 = RC4 128 bit; 2 = AES 128 bit; 3 = AES 256 bit
		$encstrength = (! empty($conf->global->PDF_SECURITY_ENCRYPTION_STRENGTH)?$conf->global->PDF_SECURITY_ENCRYPTION_STRENGTH:0);

		// Array of recipients containing public-key certificates ('c') and permissions ('p').
		// For example: array(array('c' => 'file://../examples/data/cert/tcpdf.crt', 'p' => array('print')))
		$pubkeys = (! empty($conf->global->PDF_SECURITY_ENCRYPTION_PUBKEYS)?json_decode($conf->global->PDF_SECURITY_ENCRYPTION_PUBKEYS, true):null); // Json format in llx_const

		$pdf->SetProtection($pdfrights,$pdfuserpass,$pdfownerpass,$encstrength,$pubkeys);
	}

	return $pdf;
}